which_image_loaded = 0;

function showPic (whichpic) {
 	if (document.getElementById) {
		document.getElementById('slideform').style.display = 'block';       //show back & next buttons
		document.getElementById('largeimage').src = whichpic.href;    			//change the image
		document.getElementById('largeimage').style.borderStyle = 'solid';	//give..
		document.getElementById('largeimage').style.borderWidth = '15px';		//image..
		document.getElementById('largeimage').style.borderColor = '#fff';		//white border
		temp=whichpic.href;
		num = temp.substring(temp.lastIndexOf('/') + 1);
		num_array=num.split(".");
		num = num_array[0];		
		if (document.getElementById('PicNum')) {
			document.getElementById('PicNum').innerHTML=num;
		}
		which_image_loaded = whichpic.id;
 	  return false;
  }else{
  	return true;
  }
}

function changeImage(direction){
	which_image_loaded = parseInt(which_image_loaded) + parseInt(direction);
	if (which_image_loaded <= 0)
  	which_image_loaded = total_images;// - 1;  //Again, one less than the actual number of images.
  if (which_image_loaded > (total_images))
  	which_image_loaded = 1;
	showPic(document.getElementById(which_image_loaded));
}